CN216329001U - Combined reusable universal mould for precast slab in laminated slab - Google Patents
Combined reusable universal mould for precast slab in laminated slab Download PDFInfo
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- CN216329001U CN216329001U CN202122167449.5U CN202122167449U CN216329001U CN 216329001 U CN216329001 U CN 216329001U CN 202122167449 U CN202122167449 U CN 202122167449U CN 216329001 U CN216329001 U CN 216329001U
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Abstract
The utility model provides a combined type repeatedly usable general mould of prefabricated plate among superimposed sheet, mainly comprises the framed with prefabricated plate overall dimension and shape unanimity, its characterized in that: the side of each frame of the rectangular mold frame is provided with a long slotted hole serving as a rib penetrating hole along the X direction and the Y direction of the rectangle, the top surface of each frame is provided with a water blocking groove along the length direction of the frame, and the rib penetrating hole on each frame is communicated with the water blocking groove on the corresponding frame. Utilize the slotted hole to adjust the distance between the muscle at the bottom of the adjacent board wantonly when laying the reinforcing bar, when pouring cement mortar, can prevent that cement mortar from leaking from the slotted hole to filling water blocking material (for example fibrous material) in the water blocking tank to solved current prefabricated plate mould and brought unable general problem because of the distance between the muscle at the bottom of the adjacent board is not adjustable.
Description
Technical Field
The utility model relates to the field of buildings, in particular to a combined reusable universal mould for precast slabs in laminated slabs.
Background
In the field of construction, a laminated slab is also called a laminated floor slab, and is an assembled integral floor slab formed by laminating prefabricated slabs and cast-in-place reinforced concrete layers. In actual production and construction, prefabricated slabs are usually directly cast and molded through a mold in a factory according to design requirements, then are transported to a construction site to build a floor, and finally cast-in-place reinforced concrete layers are laminated on the built prefabricated slabs to form the assembled integral floor.
The prefabricated slab is a prefabricated reinforced concrete member which is produced, processed and formed by reinforcing steel bars and cement through a mould. The special die is needed to be used when the precast slab is manufactured in a factory, in the prior art, the special die is shown in attached drawing 1 and mainly comprises a die frame 1, the die frame 1 is formed by splicing four surrounding plates 2 and four fixed plates 3, and reinforcing steel bar positioning grooves 4 are formed in the surrounding plates 2. When the prefabricated slab is manufactured, a mould is firstly placed on the surface of a mould table, then X-direction bottom ribs and Y-direction bottom ribs (not shown in the figure) are placed in the reinforcing steel bar positioning grooves 4, then the hollow part of the mould is filled with cement, and after the concrete is dried, the mould is removed, and the prefabricated slab is remained. As the precast slab is a basic member in the laminated slab, strict requirements are imposed on the thickness specification of the steel bars in the precast slab, the distance between the ribs at the bottom of the X-direction slab and the distance between the ribs at the bottom of the Y-direction slab during design, and steel bar positioning grooves are arranged on a precast slab die in order to meet the requirements in actual manufacturing. Because of the limitation of the steel bar positioning grooves, the prefabricated plate mould in the prior art can only repeatedly produce the prefabricated plates with the same specification and requirements, and the prefabricated plates with different specifications cannot be universally used due to different thicknesses and intervals of the steel bars.
In view of the above, the present invention provides a universal mold for prefabricated panels, which can adapt to different thicknesses and spacings of steel bars, so as to solve the problem that the existing universal mold for prefabricated panels cannot be used universally.
Disclosure of Invention
In view of the defects of the prior art, the utility model provides a combined reusable universal mould for precast slabs in a laminated slab, and aims to solve the problem that the existing precast slab mould cannot be used universally.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a combined type repeatedly usable general mould of prefabricated plate among superimposed sheet, mainly comprises with the unanimous rectangle framed of prefabricated plate overall dimension size and shape, and its innovation lies in: the rectangle of the rectangular mould frame is taken as a reference, the short side of the rectangle is defined as the X direction, the long side of the rectangle is defined as the Y direction, and a long slotted hole is formed in the side face of each short side frame of the rectangular mould frame along the Y direction and is used as a Y-direction rib penetrating hole; long slotted holes are formed in the side face of each long side frame of the rectangular mould frame along the X direction and are used as X-direction rib penetrating holes; a groove serving as a water blocking groove is formed in the top surface of each frame of the rectangular mold frame along the length direction of the frame; the water blocking grooves on each short edge frame are communicated with the corresponding Y-shaped through holes on the short edge frame, and the water blocking grooves on each long edge frame are communicated with the corresponding X-shaped through holes on the long edge frame.
The relevant contents and variations of the above technical solution are explained as follows:
1. in the scheme, the Y-direction rib penetrating hole is formed by splicing the whole long slotted hole or a plurality of long slotted holes end to end on the side face of each short side frame of the rectangular mould frame. The X-direction rib penetrating hole is formed by splicing the whole long slotted hole or a plurality of long slotted holes end to end on the side face of each long side frame of the rectangular mould frame.
2. In the above scheme, the X-direction first water blocking tank is formed by splicing the head and the tail of a whole tank body or a plurality of tank bodies. The X-direction second water blocking groove is formed by splicing the head and the tail of a whole groove body or a plurality of groove bodies.
3. In the above scheme, the Y-direction first water blocking tank is formed by splicing the head and the tail of a whole tank body or a plurality of tank bodies. And the Y-direction second water blocking tank is formed by splicing the head and the tail of a whole tank body or a plurality of tank bodies.
The design principle and the effect of the utility model are as follows: in order to solve the problem that the existing precast slab die cannot be used universally, the utility model is characterized in that long slotted holes are respectively arranged on the side surface of each frame of the rectangular die frame along the X direction and the Y direction of the rectangle to serve as rib penetrating holes, then a water blocking groove is arranged on the top surface of each frame along the length direction of the frame, and the rib penetrating holes on each frame are communicated with the water blocking grooves on the corresponding frames. X is to the board end muscle alternate insert in X is to wearing the muscle hole when laying the reinforcing bar, because X is to being the slotted hole to wearing the muscle hole Y, consequently can adjust adjacent X to the board end muscle distance between Y to, in the same reason Y alternates to board end muscle Y to wearing the muscle hole, because Y is to wearing the muscle hole X to being the slotted hole, consequently can adjust adjacent Y to the board end muscle distance between X to. Before actual pouring, in order to prevent cement mortar from leaking out of the X-direction rib penetrating hole and the Y-direction rib penetrating hole, a water blocking material (such as a fibrous substance) is filled in the X-direction water blocking groove and the Y-direction water blocking groove, so that good blocking and filtering effects are achieved. And then, filling the hollow part of the mould with cement mortar, and removing the mould after the cement mortar is dried to obtain the precast slab. According to the utility model, each frame of the mold is provided with the long slotted hole as the rib penetrating hole, and the mutual through relationship between the long slotted hole and the water blocking groove is skillfully utilized, so that the distance between bottom ribs of adjacent plates can be randomly adjusted, and cement mortar can be prevented from leaking from the side of the long slotted hole. Therefore, the prefabricated plate mould can adapt to prefabricated plates with different steel bar thicknesses and different interval changes, and the problem that an existing prefabricated plate mould cannot adapt to the different steel bar thicknesses and the different interval changes is solved.
Drawings
FIG. 1 is a perspective view of a conventional precast slab mold;
FIG. 2 is a front view of a general mold for precast slabs in an embodiment of the present invention;
FIG. 3 is a top view of a universal mold for precast slabs according to an embodiment of the present invention;
FIG. 4 is a front view of a general mold for prefabricated panels according to an embodiment of the utility model in a using state;
FIG. 5 is a plan view showing a state in which the universal mold for prefabricated panels according to an embodiment of the present invention is used.
The reference numerals in the above figures are explained as follows: 1. a mold frame; 2. enclosing plates; 3. a fixing plate; 4. a steel bar positioning groove; 5, a first enclosing plate in the X direction; 6, a second enclosing plate in the X direction; 7, a first enclosing plate in the Y direction; 8, a second enclosing plate in the Y direction; 9 A.X to a first water blocking tank; 9 B.X to a second water blocking groove; 10 A.Y to a first water blocking tank; 10 B.Y to a first water blocking tank; an X-direction rib penetrating hole; 12, a rib penetrating hole in the Y direction; an X-direction fixing plate; a Y-direction fixing plate; 15. fixing the bolt; x-direction plate bottom ribs; y-direction plate bottom ribs; 18. a water blocking material; 19. and (4) a die table surface.
Detailed Description
The utility model is further described with reference to the following figures and examples:
example (b): combined reusable universal mould for prefabricated plate in laminated slab
As shown in fig. 2 and 3, the general mold for prefabricated panels is generally constructed of a rectangular mold frame (see fig. 3) conforming to the outer size and shape of the prefabricated panels. For convenience of describing the direction, in the present invention, the rectangle of the rectangular mold frame is used as a reference, the short side of the rectangle is defined as the X direction, and the long side of the rectangle is defined as the Y direction.
In order to solve the problem that the existing precast slab die cannot be used universally, the utility model is characterized in that a long slotted hole is arranged on the side surface of each short side frame of the rectangular die frame along the Y direction and is used as a Y-direction rib penetrating hole 12 (see figure 2). And long slotted holes are formed in the X direction on the side surface of each long side frame of the rectangular mould frame and are used as X-direction rib penetrating holes 11 (shown in the left side of figure 2). Grooves are arranged on the top surface of each frame of the rectangular mould frame along the length direction of the frame to serve as water blocking grooves (see figures 2 and 3). The water blocking grooves on each short edge frame are communicated with the corresponding Y-shaped grooves on the short edge frame in the direction of the rib penetrating holes 12, and the water blocking grooves on each long edge frame are communicated with the corresponding X-shaped grooves on the long edge frame in the direction of the rib penetrating holes 11.
The short side frame mainly comprises two long banding X to first bounding wall 5 and two long banding X to second bounding wall 6 (see fig. 3), long side frame mainly comprises two long banding Y to first bounding wall 7 and two long banding Y to second bounding wall 8 (see fig. 3), wherein:
one of the two X-direction first webs 5 is arranged at a position of one short side of the rectangle, and the other is arranged at a position of the other short side of the rectangle (see fig. 3). One of the two Y-direction first webs 7 is arranged at the position of one long side of the rectangle, and the other is arranged at the position of the other long side of the rectangle (see fig. 3). In the assembled state, the two X-direction first enclosing plates 5 and the two Y-direction first enclosing plates 7 are fixedly connected with each other (in this embodiment, fixed bolts 15 are adopted for fixing connection, see fig. 3), so as to form the mold cavity.
Referring to fig. 3, the water blocking grooves are composed of a first water blocking groove 9A, X in the X direction, a second water blocking groove 9B, Y in the X direction, a first water blocking groove 10A in the X direction, a second water blocking groove 10B in the Y direction, a first water blocking groove 9A in the X direction, a second water blocking groove 9B in the Y direction, a first water blocking groove 10A in the Y direction, and a second water blocking groove 10B in the Y direction.
At the periphery of the die cavity, an X-direction second enclosing plate 6 is arranged in a manner of offsetting towards the outer side in the rectangular Y direction aiming at an X-direction first enclosing plate 5, and an X-direction first water blocking groove 9A (shown in figure 3) is formed between the X-direction first enclosing plate 5 and the X-direction second enclosing plate 6. And another X-direction second enclosing plate 6 is arranged in a manner of offsetting towards the outer side in the rectangular Y direction relative to the another X-direction first enclosing plate 5, and an X-direction second water blocking groove 9B is formed between the another X-direction first enclosing plate 5 and the another X-direction second enclosing plate 6 (see fig. 3).
At the periphery of the die cavity, a Y-direction second enclosing plate 8 is arranged in a manner of offsetting towards the outer side in the rectangular X direction aiming at a Y-direction first enclosing plate 7, and a Y-direction first water blocking groove 10A (shown in figure 3) is formed between the Y-direction first enclosing plate 7 and the Y-direction second enclosing plate 8. And another Y-direction second enclosing plate 8 is arranged in a manner of offsetting towards the outer side in the rectangular X direction relative to the another Y-direction first enclosing plate 7, and a Y-direction second water blocking groove 10B (shown in figure 3) is formed between the another Y-direction first enclosing plate 7 and the another Y-direction second enclosing plate 8.
The two X-direction first enclosing plates 5 and the two X-direction second enclosing plates 6 are respectively provided with a long slotted hole as a Y-direction rib penetrating hole 12 (shown in figure 2), and the four Y-direction rib penetrating holes 12 form a flat Y-direction rib penetrating channel (shown in figure 2) capable of adjusting the distance between X-direction adjacent ribs in the Y-direction rib penetrating direction.
The two Y-direction first enclosing plates 7 and the two Y-direction second enclosing plates 8 are respectively provided with a long slotted hole as an X-direction rib penetrating hole 11 (see the left side sectional part of fig. 2), and the four X-direction rib penetrating holes 11 form a flat X-direction rib penetrating channel which can adjust the distance between Y-direction adjacent ribs in the X-direction rib penetrating direction.
In order to facilitate the fixing of the mould during the manufacturing of the prefabricated slab, an X-direction fixing plate 13 is arranged on the outer side of the X-direction second enclosing plate 6, and the X-direction fixing plate 13 is fixedly connected with the X-direction second enclosing plate 6 (see fig. 3). And a Y-direction fixing plate 14 is arranged on the outer side of the Y-direction second enclosing plate 8, and the Y-direction fixing plate 14 is fixedly connected with the Y-direction second enclosing plate 8 (see figure 3).
In this embodiment, the first enclosing plate 5 in the X direction, the second enclosing plate 6 in the X direction, the first enclosing plate 7 in the Y direction, the second enclosing plate 8 in the Y direction, the fixing plate 13 in the X direction, and the fixing plate 14 in the Y direction all need to be made of steel plates with a thickness of 5mm, wherein concave and convex surfaces are provided on the inner side surfaces of the first enclosing plate 5 in the X direction and the first enclosing plate 7 in the Y direction close to the mold cavity, so that the corresponding side surfaces of the manufactured precast slab also have concave and convex rough surfaces. The X-direction first enclosing plate 5, the X-direction second enclosing plate 6 and the X-direction fixing plate 13 are fixedly connected into a whole (see figure 5). The Y-direction first enclosing plate 7, the Y-direction second enclosing plate 8 and the Y-direction fixing plate 14 are fixedly connected into a whole (see figure 4). Also in the present embodiment, the Y-direction first water blocking groove 10A is formed by two groove bodies (see fig. 5). The spliced groove bodies can be communicated with each other or not. And the Y-direction second water blocking groove 10B is formed by a whole groove body (see fig. 5).
The use state of the universal mould for the prefabricated plate in the embodiment of the utility model is described as follows:
fig. 4 is a front view showing a state in which the precast slab general-purpose mold according to the embodiment is used, and fig. 5 is a plan view showing a state in which the precast slab general-purpose mold according to the embodiment is used. As can be seen in fig. 4, the mold is placed on the mold table 19 and pressed against the X-direction fixing plate 13 and the Y-direction fixing plate 14 using a magnet (not shown in fig. 4, which is a conventional practice in the art), whereby the mold is fixed relative to the mold table 19.
When the reinforcing steel bars are laid, the X-direction plate bottom ribs 16 are inserted into the X-direction rib penetrating holes 11, and the distance between the adjacent X-direction plate bottom ribs 16 in the Y direction can be adjusted at will because the X-direction rib penetrating holes 11 are long slotted holes in the Y direction (see fig. 4 and 5). Similarly, the Y-direction plate bottom ribs 17 are inserted into the Y-direction rib penetrating holes 12, and the distance between the adjacent Y-direction plate bottom ribs 17 in the X direction can be adjusted at will because the Y-direction rib penetrating holes 12 are long slots in the X direction (see fig. 4 and 5).
Before casting, in order to prevent cement mortar from leaking from the X-direction bead-penetrating hole 11 and the Y-direction bead-penetrating hole 12, a water blocking material 18 (for example, a fibrous material) is filled in the X-direction first water blocking groove 9A, X, the second water blocking groove 9B, Y, the first water blocking groove 10A, and the Y-direction second water blocking groove 10B (see fig. 5). The water blocking material 18 is matched with each water blocking groove, so that the adjustment of the distance between the bottom ribs of the adjacent plates is not influenced, the cement mortar can be prevented from leaking, and good blocking and filtering effects are achieved. And finally, filling the hollow part of the mould with cement mortar, and removing the mould after the cement mortar is dried to obtain the precast slab.
Other embodiments and structural variations of the present invention are described below:
1. in the above embodiment, the Y-direction reinforcement through-hole 12 is formed by a whole long slot on the side of each short side frame of the rectangular mold frame (see fig. 4). However, the present invention is not limited to this, and may be formed by splicing a plurality of slots end to end, for example, by splicing two or three slots end to end. As can be understood and appreciated by those skilled in the art.
2. In the above embodiment, the X-direction rib-penetrating hole 11 is formed by a whole slot on the side of each long side frame of the rectangular mold frame (see fig. 4). However, the present invention is not limited to this, and may be formed by splicing a plurality of slots end to end, for example, by splicing two or three slots end to end. As can be understood and appreciated by those skilled in the art.
3. In the above embodiment, the X-direction first water blocking groove 9A is formed by a whole groove body (see fig. 5). However, the present invention is not limited to this, and may be formed by splicing a plurality of tanks end to end, for example, by splicing two or three tanks end to end. The spliced groove bodies can be communicated with each other or not. As can be understood and appreciated by those skilled in the art.
4. In the above embodiment, the X-direction second water blocking groove 9B is formed by a whole groove body (see fig. 5). However, the present invention is not limited to this, and may be formed by splicing a plurality of tanks end to end, for example, by splicing two or three tanks end to end. The spliced groove bodies can be communicated with each other or not. As can be understood and appreciated by those skilled in the art.
5. In the above embodiment, the Y-direction first water blocking groove 10A is formed by two groove bodies (see fig. 5). However, the present invention is not limited to this, and may be formed by one entire tank body, or by joining three tank bodies end to end. The spliced groove bodies can be communicated with each other or not. As can be understood and appreciated by those skilled in the art.
6. In the above embodiment, the Y-direction second water blocking groove 10B is formed by a whole groove body (see fig. 5). However, the present invention is not limited to this, and may be formed by splicing a plurality of tanks end to end, for example, by splicing two or three tanks end to end. The spliced groove bodies can be communicated with each other or not. As can be understood and appreciated by those skilled in the art.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a combination formula repeatedly usable general mould of prefabricated plate in superimposed sheet, mainly comprises the rectangle framed with the prefabricated plate overall dimension size and shape is unanimous, its characterized in that: the rectangle of the rectangular mould frame is taken as a reference, the short side of the rectangle is defined as the X direction, the long side of the rectangle is defined as the Y direction, and a long slotted hole is arranged on the side surface of each short side frame of the rectangular mould frame along the Y direction to be used as a Y-direction rib penetrating hole (12); long slotted holes are arranged on the side surfaces of each long side frame of the rectangular mould frame along the X direction and are used as X-direction rib penetrating holes (11); a groove serving as a water blocking groove is formed in the top surface of each frame of the rectangular mold frame along the length direction of the frame; the water blocking grooves on each short edge frame are communicated with the corresponding Y-direction rib penetrating holes (12) on the short edge frames, and the water blocking grooves on each long edge frame are communicated with the corresponding X-direction rib penetrating holes (11) on the long edge frames.
2. The modular reusable generic mold of claim 1, characterized in that: the short side frame mainly comprises two long banding X to first bounding wall (5) and two long banding X to second bounding wall (6), long side frame mainly comprises two long banding Y to first bounding wall (7) and two long banding Y to second bounding wall (8), wherein:
one of the two X-direction first enclosing plates (5) is arranged at the position of one short side of the rectangle, and the other one is arranged at the position of the other short side of the rectangle; one of the two Y-direction first enclosing plates (7) is arranged at the position of one long side of the rectangle, and the other one is arranged at the position of the other long side of the rectangle; in an assembly state, the two X-direction first enclosing plates (5) and the two Y-direction first enclosing plates (7) are mutually and fixedly connected with each other to form a die cavity;
the water blocking grooves are composed of a first X-direction water blocking groove (9A), a second X-direction water blocking groove (9B), a first Y-direction water blocking groove (10A) and a second Y-direction water blocking groove (10B), the first X-direction water blocking groove (9A) is arranged on one short-side frame, the second X-direction water blocking groove (9B) is arranged on the other short-side frame, the first Y-direction water blocking groove (10A) is arranged on one long-side frame, and the second Y-direction water blocking groove (10B) is arranged on the other long-side frame;
an X-direction second enclosing plate (6) is arranged at the periphery of the die cavity in a manner of deviating towards the outer side in the rectangular Y direction aiming at an X-direction first enclosing plate (5), and an X-direction first water blocking groove (9A) is formed between the X-direction first enclosing plate (5) and the X-direction second enclosing plate (6); a second X-direction enclosing plate (6) is arranged on the other X-direction first enclosing plate (5) in a manner of deviating towards the outer side in the rectangular Y direction, and a second X-direction water blocking groove (9B) is formed between the other X-direction first enclosing plate (5) and the other X-direction second enclosing plate (6);
a Y-direction second enclosing plate (8) is arranged at the periphery of the die cavity in a manner of deviating towards the outer side in the rectangular X direction aiming at a Y-direction first enclosing plate (7), and a Y-direction first water blocking groove (10A) is formed between the Y-direction first enclosing plate (7) and the Y-direction second enclosing plate (8); and the other Y-direction second enclosing plate (8) is arranged on the other Y-direction first enclosing plate (7) in a manner of deviating towards the outer side in the rectangular X direction, and a Y-direction second water blocking groove (10B) is formed between the other Y-direction first enclosing plate (7) and the other Y-direction second enclosing plate (8).
3. The modular reusable generic mold of claim 2, characterized in that: long slotted holes are respectively arranged on the two X-direction first enclosing plates (5) and the two X-direction second enclosing plates (6) to serve as Y-direction rib penetrating holes (12), and the four Y-direction rib penetrating holes (12) form flat Y-direction rib penetrating channels capable of adjusting the distance between X-direction adjacent ribs in the Y-direction rib penetrating direction;
and the two Y-direction first enclosing plates (7) and the two Y-direction second enclosing plates (8) are respectively provided with a long slotted hole as an X-direction rib penetrating hole (11), and the four X-direction rib penetrating holes (11) form a flat X-direction rib penetrating channel which can adjust the distance from the Y-direction adjacent rib penetrating in the X-direction rib penetrating direction.
4. The modular reusable generic mold of claim 1, characterized in that: the Y-direction rib penetrating holes (12) are formed by splicing the whole long slotted hole or a plurality of long slotted holes end to end on the side face of each short side frame of the rectangular mould frame.
5. The modular reusable generic mold of claim 1, characterized in that: the X-direction rib penetrating holes (11) are formed by splicing the whole long slotted hole or a plurality of long slotted holes end to end on the side face of each long side frame of the rectangular mould frame.
6. The modular reusable generic mold of claim 2, characterized in that: the X-direction first water blocking tank (9A) is formed by splicing the head and the tail of a whole tank body or a plurality of tank bodies.
7. The modular reusable generic mold of claim 2, characterized in that: the X-direction second water blocking groove (9B) is formed by splicing the head and the tail of a whole groove body or a plurality of groove bodies.
8. The modular reusable generic mold of claim 2, characterized in that: the Y-direction first water blocking tank (10A) is formed by splicing the head and the tail of a whole tank body or a plurality of tank bodies.
9. The modular reusable generic mold of claim 2, characterized in that: the Y-direction second water blocking groove (10B) is formed by splicing the head and the tail of a whole groove body or a plurality of groove bodies.
10. The modular reusable generic mold of claim 2, characterized in that: an X-direction fixing plate (13) is arranged on the outer side of the X-direction second enclosing plate (6), and the X-direction fixing plate (13) is fixedly connected with the X-direction second enclosing plate (6); and a Y-direction fixing plate (14) is arranged on the outer side of the Y-direction second enclosing plate (8), and the Y-direction fixing plate (14) is fixedly connected with the Y-direction second enclosing plate (8) relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167449.5U CN216329001U (en) | 2021-09-08 | 2021-09-08 | Combined reusable universal mould for precast slab in laminated slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167449.5U CN216329001U (en) | 2021-09-08 | 2021-09-08 | Combined reusable universal mould for precast slab in laminated slab |
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| Publication Number | Publication Date |
|---|---|
| CN216329001U true CN216329001U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122167449.5U Active CN216329001U (en) | 2021-09-08 | 2021-09-08 | Combined reusable universal mould for precast slab in laminated slab |
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| CN (1) | CN216329001U (en) |
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2021
- 2021-09-08 CN CN202122167449.5U patent/CN216329001U/en active Active
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